Merge branch 'bugfix/console_allow_buffered' into 'master'

console example: use buffered stdout by default

See merge request idf/esp-idf!4476

components/console/linenoise/linenoise.c

@@ -106,6 +106,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdio_ext.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
@@ -879,6 +880,9 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
             linenoiseEditDeletePrevWord(&l);
             break;
         }
+        if (__fbufsize(stdout) > 0) {
+            fflush(stdout);
+        }
     }
     return l.len;
 }

examples/ethernet/iperf/main/iperf_example_main.c

@@ -56,9 +56,8 @@ static void initialize_nvs()
 
 static void initialize_console()
 {
-    /* Disable buffering on stdin and stdout */
+    /* Disable buffering on stdin */
     setvbuf(stdin, NULL, _IONBF, 0);
-    setvbuf(stdout, NULL, _IONBF, 0);
 
     /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
     esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);

examples/peripherals/i2c/i2c_tools/main/i2ctools_example_main.c

@@ -56,9 +56,8 @@ static void initialize_nvs()
 
 static void initialize_console()
 {
-    /* Disable buffering on stdin and stdout */
+    /* Disable buffering on stdin */
     setvbuf(stdin, NULL, _IONBF, 0);
-    setvbuf(stdout, NULL, _IONBF, 0);
 
     /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
     esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);

examples/system/console/main/console_example_main.c

@@ -59,9 +59,8 @@ static void initialize_nvs()
 
 static void initialize_console()
 {
-    /* Disable buffering on stdin and stdout */
+    /* Disable buffering on stdin */
     setvbuf(stdin, NULL, _IONBF, 0);
-    setvbuf(stdout, NULL, _IONBF, 0);
 
     /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
     esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);

examples/wifi/iperf/main/iperf_example_main.c

@@ -28,9 +28,8 @@
 
 static void initialize_console()
 {
-    /* Disable buffering on stdin and stdout */
+    /* Disable buffering on stdin */
     setvbuf(stdin, NULL, _IONBF, 0);
-    setvbuf(stdout, NULL, _IONBF, 0);
 
     /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
     esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);

examples/wifi/simple_sniffer/main/simple_sniffer_example_main.c

@@ -75,9 +75,8 @@ static void initialize_wifi()
 /* Initialize console component */
 static void initialize_console()
 {
-    /* Disable buffering on stdin and stdout */
+    /* Disable buffering on stdin */
     setvbuf(stdin, NULL, _IONBF, 0);
-    setvbuf(stdout, NULL, _IONBF, 0);
 
     /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
     esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);